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Altera_Forum's avatar
Altera_Forum
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12 years ago

UART RS232 receive missing bytes

Hi, I have trouble receive bytes of data using UART RS232 port on uClinux running NIOS2 /f. A loopback application was implemented to send 128 bytes hex data from ttyA0 (RS232 port) and receive...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Hi, I had also similar problem : missing bytes in UART.

You are treating UART RS232 as interrupts, which are at high priorities. That is quite good.

I don't know uClinux, I guess it employs Hardware Abstraction Layout functions.

Others write their own drivers for RS232

For me, I employ FIFOed UART (in opencores.org)

Search in forum, many thread on that, but I haven't found perfect solution.

Regards